This script will install an s3 snippet storage server for ProxMox (cicustom) using Samba and MinIO

install-proxmox-s3-snippet-storage.sh

#!/bin/bash
echo "Password for Samba User 'snippets':"
read -s smb_password_snippets
echo "Password for S3 User 'admin':"
read -s s3_password_admin
echo "Password for S3 User 'dev' (min-length: 8):"
read -s s3_password_dev
echo "Password for S3 User 'api' (min-length: 8):"
read -s s3_password_api
wget -O /usr/local/bin/minio https://dl.min.io/server/minio/release/linux-amd64/minio
chmod +x /usr/local/bin/minio
wget -O /usr/local/bin/mc https://dl.min.io/client/mc/release/linux-amd64/mc
chmod +x /usr/local/bin/mc
apt-get install -y samba
cat << 'EOF' > /etc/systemd/system/minio.service
[Unit]
Description=MinIO
Documentation=https://docs.min.io
Wants=network-online.target
After=network-online.target
AssertFileIsExecutable=/usr/local/bin/minio
[Service]
AmbientCapabilities=CAP_NET_BIND_SERVICE
WorkingDirectory=/usr/local/
User=snippets
Group=snippets
EnvironmentFile=/etc/default/minio
ExecStartPre=/bin/bash -c "if [ -z \"${MINIO_VOLUMES}\" ]; then echo \"Variable MINIO_VOLUMES not set in /etc/default/minio\"; exit 1; fi"
ExecStart=/usr/local/bin/minio server $MINIO_OPTS $MINIO_VOLUMES
# Let systemd restart this service always
Restart=always
# Specifies the maximum file descriptor number that can be opened by this process
LimitNOFILE=65536
# Disable timeout logic and wait until process is stopped
TimeoutStopSec=infinity
SendSIGKILL=no
[Install]
WantedBy=multi-user.target
EOF
cat << EOF > /etc/default/minio
# Volume to be used for MinIO server.
MINIO_VOLUMES="/home/snippets"
# Use if you want to run MinIO on a custom port.
MINIO_OPTS="--address :80"
# Access Key of the server.
MINIO_ACCESS_KEY=admin
# Secret key of the server.
MINIO_SECRET_KEY="${s3_password_admin}"
EOF
cat << EOF > /etc/samba/smb.conf
[global]
    workgroup = snippets
    server string = %h server (Samba %v)
    log file = /var/log/samba/log.%m
    max log size = 1000
    encrypt passwords = true
    invalid users = root
    socket options = TCP_NODELAY
    security = user
    unix extensions = yes
[homes]
    comment = Home Directories
    browseable = no
    valid users = %S
    writable = yes
    create mode = 0600
    directory mode = 0700
EOF
mkdir /root/.mc
cat << EOF > /root/.mc/config.json
{
        "version": "10",
        "aliases": {
                "local": {
                        "url": "http://localhost:80",
                        "accessKey": "admin",
                        "secretKey": "${s3_password_admin}",
                        "api": "S3v4",
                        "path": "auto"
                }
        }
}
EOF
adduser snippets --gecos "" --disabled-password
echo -ne "${smb_password_snippets}\n${smb_password_snippets}\n" | smbpasswd -a -s snippets
mkdir /home/snippets/snippets
chown snippets:snippets /home/snippets/snippets
systemctl restart smbd
systemctl enable minio
systemctl start minio
mc admin user add local dev ${s3_password_dev}
mc admin user add local api ${s3_password_api}
mc admin policy set local readwrite user=dev
mc admin policy set local readwrite user=api
clear
echo "Installation done!"

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